The totally wireless Powerbeats Pro earphones are built to revolutionize your workouts. With zero wires to hold you back, the adjustable, secure-fit ear hooks are customizable, making comfortable earbuds that are perfect for running or the gym. A reinforced design for sweat and water resistance lets you take it to the next level. Each earbud has a microphone, full volume and track controls, and up to 9 hours of listening time to fuel your training with powerful, balanced sound.